.sr{
    text-align: center;
    margin:0 auto;
    font-size: 22px;
}
.qk {
    border-radius:10px ;
    border: 1px transparent;
    cursor: pointer;
    box-shadow: 0 5px #dddddd;
    outline: none;
    transition:all 0.2s;
    font-size: 22px;
}
.qk:hover {
    background-color: rgba(255, 216, 215, 0.43);
}

.qk:active{
    transform: translate(3px);
    box-shadow: 0 1px #dddddd;
    text-shadow: 0 2px #ddd333;
    font-color:#555555 ;
}
.xs{
    margin: 50px 0 0 0px;
    border-radius:10px;
    border: 1px solid salmon;
    float:left;
    width: 300px;
    height: 500px;
}
.jg{
    margin: 20px 0 0 40px;
    width: 300px;
    height:500px;
    border:2px solid #fde486;
    float: left;
    border-radius:10px;
}